16892 Developer Q&A Community

asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

Welcome to Our Knowledge Sharing Community-Open, Learning,Share

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asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

r - Error in model.frame.default(Terms, newdata, na.action = na.action, xlev = object$xlevels) : object is not a matrix

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939 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

How do I disable the the Kite upgrade notifications?

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asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

dplyr - Split the rows in data frame based on timestamp using R

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300 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

HEIC格式图片上传后如何展示？

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436 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

linux - How to unload the MQ queue records into the file which is of readable format?

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496 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

markdown如何渲染成html？

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204 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

neo4j - NodeProperties in gds.alpha.shortestPath.stream

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996 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

electron文件类型的自定义协议为啥不能带参数呢？

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5.9k views 2 answers

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

物联网，快速搜索局域网其他WIFI设备的思路

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520 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

使用ng-zorro的upload组件选择大文件时候组件卡死，请问有什么办法优化吗？

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674 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

node.js - NodeJS stream pipeline to count the occurrence of a string in a text

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459 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

前端如何优雅的书写请求回调？

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358 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - How to setup CORS and Cookie properly in Next.js with Apollo client and Apollo server Koa?

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916 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - CONCAT leading 0 in case statement

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285 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

html - Opening same window while using noreferrer

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308 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - React, how to construct a table by columns instead of by rows

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224 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - How to send email to GMail account using OAuth 2.0?

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257 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

nginx location /abc 二级目录转发问题。

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742 views 1 answer

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - How can I output hello world in this simple React code?

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368 views 1 answer

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

如何限制多开窗口看视频？

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261 views 1 answer

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

vue中监听全屏和突出全屏事件

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481 views 1 answer

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

Can I create a SQL (Oracle) Trigger that increments a daily count based off another table's updates?

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223 views 1 answer

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

ts 类型提取问题

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1.8k views 1 answer

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

在vue中，如何获取在组件A通过类似this.$refs中获取组件B的引用？

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577 views 1 answer

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

nodejs项目中global 与 globals 库是做什么的？经常会看到一些项目在引用

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604 views 1 answer

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

My changes in mystyle.css (vanilla5 skin in pmwiki) doesnt work

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320 views 1 answer

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

$on里调用的函数 not a function

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219 views 1 answer

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

Algorithm to make groups of 4 elements of points in 2D (or geographic coords)

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280 views 1 answer

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